Composite Material Polyurethane Rigid Foam Decoration Roman Column

ABSTRACT

A composite material polyurethane rigid foam decoration Roman column, includes: a column shell, which has an inner space is defined by the column shell closed rounding, wherein, the column shell comprises a column basis part, a column body part provided on the column basis part; and a column cap part provided on the column body part; and an inner layer, the material of which is PU, closely joints on the inner surface of the column shell, which is combined with the column shell to form a composite material to strengthen the support strength and the resistance of the column shell.

BACKGROUND OF THE PRESENT INVENTION

1. Field of Invention

The present invention relates to a decoration Roman column, and more particularly to a composite material polyurethane rigid foam decoration Roman column composed by bonding the composite material and the PU material.

2. Description of Related Arts

Roman columns are classic styles of column in Roman, including totally five styles: Doric, Ionic, Corinthian and Roman (Tuscan, and composition). Due to the elegant temperament of Roman column, they are widely used to build large-scale and ornate buildings.

In conventional technology, Roman columns are generally made of the materials such as polyurethane rigid foam, gypsum, wooden, and stone. Traditional polyurethane Roman column has bad surface strength, and poor impact resistance. Traditional gypsum Roman column is easily to be damaged when constructing, which brings us a lot of inconvenience on residential decoration. Traditional wooden Roman column is easy to become damp, and be eaten by moth, is flammable and has poor surface strength. Due to the large-scale of cutting, the nature environment is destructed. Traditional stone Roman column has large weight, the construction is difficult, and the cost is high. Moreover, the adhesivity between the traditional composite material and PU material is poor.

SUMMARY OF THE PRESENT INVENTION

An object of the present invention is to provide a composite material polyurethane rigid foam decoration Roman column, which is made by environmental protected, and no-polluted raw materials.

Another object of the present invention is to provide a composite material polyurethane rigid foam decoration Roman column, which has better decay resistance, damp resistance, crack resistance, deformation resistance, detachment resistance and durability.

Another object of the present invention is to provide a composite material polyurethane rigid foam decoration Roman column, which has better impact resistance, strength, anti-aging and weather resistance.

Another object of the present invention is to provide a composite material polyurethane rigid foam decoration Roman column, which has no joint clearance through using integrated molding processing technology and has a good strength.

Another object of the present invention is to provide a composite material polyurethane rigid foam decoration Roman column, wherein the use of PU is decreased to reduce the cost.

Another object of the present invention is to provide a composite material polyurethane rigid foam decoration Roman column, which has low weight, simple construction, is hard to damage in the process of constructing and thus reduces the time cost of construction.

Another object of the present invention is to provide a composite material polyurethane rigid foam decoration Roman column, wherein the adhesivity between the composite material and the PU material is improved.

Another object of the present invention is to provide a composite material polyurethane rigid foam decoration Roman column, wherein the interaction between different materials is avoided in the process of reaction forming.

Another object of the present invention is to provide a composite material polyurethane rigid foam decoration Roman column, wherein the problem of demoulding caused by arc and chamfering is solved.

Another object of the present invention is to provide a composite material polyurethane rigid foam decoration Roman column, which has a good appearance, and a smooth surface and is easy to clean, after-treat and color.

Accordingly, in order to accomplish the above objects, the present invention provides a composite material polyurethane rigid foam decoration Roman column, comprising:

a column shell, which has an inner space defined by the column shell closed rounding, wherein the column shell comprises a column basis part, a column body part provided on the column basis part; and a column cap part provided on the column body part; and

an inner layer, having a material of PU, closely jointing on an inner surface of the column shell, so as to be combined with the column shell to form a composite material to strengthen a support strength and a resistance of the column shell.

These and other objectives, features, and advantages of the present invention will become apparent from the following detailed description, the accompanying drawings, and the appended claims.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a sectional view of a column cap part of a column shell of a composite material polyurethane rigid foam decoration Roman column when an inner layer is not jointed.

FIG. 2 is a sectional view of a column basis part of the column shell of the composite material polyurethane rigid foam decoration Roman column when an inner layer is not jointed.

FIG. 3 is a sectional view of the column cap part of the column shell of the composite material polyurethane rigid foam decoration Roman column when an inner layer is jointed.

FIG. 4 is a sectional view of the column basis part of the column shell of the composite material polyurethane rigid foam decoration Roman column when an inner layer is jointed.

FIG. 5 is a top view of the column basis part of the column shell of the composite material polyurethane rigid foam decoration Roman column.

FIG. 6 is an enlarged view of a T-shaped strengthening bones structure and stiffeners of the composite material polyurethane rigid foam decoration Roman column.

FIG. 7 is a stereoscopic view of the column basis part of the column shell of the composite material polyurethane rigid foam decoration Roman column.

FIG. 8 is a positive view of the composite material polyurethane rigid foam decoration Roman column.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

Referring to FIGS. 1-8 of the drawings, a composite material polyurethane rigid foam decoration Roman column, comprises:

a column shell 1, which has an inner space 11 defined by the column shell 1 closed rounding, wherein, the column shell 1 comprises a column basis part 12; a column body part 13 provided on the column basis part 12; and a column cap part 14 provided on the column body part 13; and

an inner layer 2, having a material of PU, closely jointing on an inner surface of the column shell 1, so as to be combined with the column shell to form a composite material to strengthen a support strength and a resistance of the column shell 1.

Further, a PU glue 3 is provided between the column shell 1 and the inner layer 2, painted on surfaces of the column shell 1 and the inner layer 2 to strengthen a combination of the column shell 1 and the inner layer 2 without impacting a hardness and a density of the composite material polyurethane rigid foam decoration Roman column, comprising a component A and a component B, wherein the component A comprises polyether (hydroxyl value: 800-850): 35-45 parts, graft polyether (hydroxyl value: 400-450): 55-65 parts, cross-linking agent: 2-4 parts, organic tin catalyst: 0.3-0.7 parts, surfactant: 0-2 parts; and the component B comprises isocyanate: 95-105 parts.

Further, the column basis part 12 and the column cap part 14 respectively comprise a T-shaped strengthening bones structure 121 for increasing the support strength of the column basis part 12 and the column cap part 14, comprising a first board 1211, having two sides provided on an inner surface of the column basis part 12 and the column cap part 14 respectively, and a second board 1212 provided vertically to the first board 1211, having a first side provided on a center line of the first board 1211, and a second side provided on the inner surface of the column basis part 12 and the column cap part 14 respectively; and a plurality of stiffeners 122 provided on the inner surface of the column basis part 12 and the column cap part 14 respectively in a direction parallel to the column body part 13 for increasing a support strength of the column basis part 12 and the column cap part 14 respectively, and the inner layer 2 is cross-linked with the column basis part 12 and the column cap part 14 respectively through increasing a contact area to improve an integration and a combination between the inner layer 2 and the column basis part 12, and the column cap part 14 respectively.

Further, a raw material of the column shell 1 comprises a cross-linking agent.

Preferably, the component A comprises polyether (hydroxyl value: 800-850): 40 parts, graft polyether (hydroxyl value: 400-450): 60 parts, cross-linking agent: 3 parts, organic tin catalyst: 0.5 parts, surfactant: 1 part; and the component B comprises isocyanate: 95-105 parts.

Preferably, the inner surface of the column basis part 12 is rough for increasing a friction to improve the firm combination between the inner layer 2 and the column basis part 12.

Preferably, the inner surface of the column cap part 14 is rough for increasing the friction to improve the firm combination between the inner layer 2 and the column cap part 14.

Preferably, the thickness of the column shell 1 is 1-3 mm.

Preferably, the material of the column shell 1 is selected from the group consisting of plastic, fiberglass, carbon fiber, wood, plaster and stone.

Preferably, the content of the cross-linking agent is 5%-10%.

The present invention also provides a method of manufacturing a composite material polyurethane rigid foam decoration Roman column, comprising following steps of:

a) providing a column shell 1, and

b) closely jointing an inner layer 2 on an inner surface of the column shell 1, having a material of PU, for combining with the column shell to form a composite material to strengthen a support strength and a resistance of the column shell 1.

Further, the step b) comprises painting a PU glue 3 on the surface of the column shell 1 and the inner layer 2 to strengthen the combination of the column shell 1 and the inner 2 without impacting a hardness and a density of the composite material polyurethane rigid foam decoration Roman column, wherein the PU glue 3 comprises a component A and a component B, wherein the component A comprises polyether (hydroxyl value: 800-850): 40 parts, graft polyether (hydroxyl value: 400-450): 60 parts, cross-linking agent: 3 parts, organic tin catalyst: 0.5 parts, surfactant: 1 parts; and the component B comprises isocyanate: 95-105 parts.

Further, the step a) comprises: providing a T-shaped strengthening bones structure 121 to increase the support strength of the column basis part 12 and the column cap part 14 respectively, the T-shaped strengthening bones structure 121 comprises a first board 1211, having two sides provided on the inner surface of the column basis part 12 and the column cap part 14 respectively, and a second board 1212 vertically provided with the first board 1211, a first side of which is provided on the center line of the first board 1211, a second side of which is provided on the inner surface of the column basis part 12 and the column cap part 14 respectively; and more than one stiffener 122 provided on the inner surface of the column basis part 12 and the column cap part 14 respectively in a direction parallel to the column body part 13 for increasing the support strength of the column basis part 12 and the column cap part 14 respectively, and the inner layer 2 is cross-linked with the column basis part 12 and the column cap part 14 respectively through increasing the contact area to improve the integration and the combination between the inner layer 2 and the column basis part 12 and the column cap part 14 respectively.

Further, the step b) further comprises adding a cross-linking agent into a raw material of the column shell 1.

Preferably, the inner surface of the column basis part 12 is rough for increasing a friction to improve a firm combination between the inner layer 2 and the column basis part 12.

Preferably, the inner surface of the column cap part 14 is rough for increasing the friction to improve the firm combination between the inner layer 2 and the column cap part 14.

Preferably, a thickness of the column shell 1 is 1-3 mm.

Preferably, the material of the column shell 1 is plastic, fiberglass, carbon fiber, wood, plaster and stone.

Preferably, the content of the cross-linking agent is 5%40%.

Preferably, waiting for 15 minutes after painting the PU glue 3 on the surface of the column shell 1 and the inner layer 2 until the PU glue 3 dries, and then pouring the inner layer 2 to form a robust integration product.

TABLE 1 Hardness, strength, impact strength and compression strength of multiple decoration Roman column materials Decoration Roman column materials Composite Ordinary material poly- poly- Wood Plaster Stone urethane urethane Hardness Poor, Poor, Poor, General, Good, vulnerable vulnerable vulnerable easy hard to to fracture to fracture to fracture to fracture break Strength Poor, Poor, Poor, General, Good, vulnerable vulnerable vulnerable easy hard to to fracture to fracture to fracture to fracture break Impact Poor, Poor, Poor, General, Good, strength vulnerable vulnerable vulnerable easy hard to to fracture to fracture to fracture to fracture break Compression Poor, Poor, Poor, General, Good, strength vulnerable vulnerable vulnerable easy hard to to fracture to fracture to fracture to fracture break

Seen from Table 1, the composite material polyurethane rigid foam decoration Roman column according to the present invention is better than the wooden, plaster, stone or ordinary polyurethane decoration Roman column in the hardness, strength, impact strength and compression strength.

TABLE 2 Performances contrast between two glues when the column shell material is plastic Performances Ordinary glue PU glue Curing rate Slow Fast Storage stability Unstable More stable Aging resistance Fast Slow Various matrix adhesions Not easy bonding Bonding firmly Mechanical behavior Poor Well Temperature resistance Poor Well

See from Table. 2, the performances composite material polyurethane rigid foam decoration Roman column according to the present invention is more effective than the ordinary glue when the column shell material is plastic.

TABLE 3 Support strength contrast between has and has no the T-shaped strengthening bones structure design Support strength Without T-shaped strengthening bones Poor structure design With T-shaped strengthening bones structure Increase by 50% design

See from Table. 3, the support strength composite material polyurethane rigid foam decoration Roman column according to the present invention which has the T-shaped strengthening bones structure design is stronger than the composite material polyurethane rigid foam decoration Roman column which does not have the T-shaped strengthening bones structure design.

TABLE 4 Strength contrast between has and has no the stiffener Strength has no stiffener Poor has stiffener Increase 60%

See from Table. 4, the strength of the present invention composite material polyurethane rigid foam decoration Roman column which has the stiffener is stronger than the composite material polyurethane rigid foam decoration Roman column which does not have the stiffener.

TABLE 5 Viscosity contrast between has and has no the cross-linking agent Viscosity has no cross-linking agent General has cross-linking agent Increase 50%

See from Table. 5, the viscosity of the present invention composite material polyurethane rigid foam decoration Roman column which has the cross-linking agent is stronger than the composite material polyurethane rigid foam decoration Roman column which does not have the cross-linking agent.

One skilled in the art will understand that the embodiment of the present invention as shown in the drawings and described above is exemplary only and not intended to be limiting.

It will thus be seen that the objects of the present invention have been fully and effectively accomplished. Its embodiments have been shown and described for the purposes of illustrating the functional and structural principles of the present invention and is subject to change without departure from such principles. Therefore, this invention includes all modifications encompassed within the spirit and scope of the following claims. 

What is claimed is:
 1. a composite material polyurethane rigid foam decoration Roman column, comprising: a column shell, which has an inner space defined by said column shell closed rounding, wherein, said column shell comprises a column basis part, a column body part provided on said column basis part; and a column cap part provided on said column body part; and an inner layer, having a material of PU, closely jointing on an inner surface of said column shell, so as to be combined with said column shell to form a composite material to strengthen a support strength and a resistance of said column shell.
 2. The composite material polyurethane rigid foam decoration Roman column, as recited in claim 1, wherein a PU glue is provided between said column shell and said inner layer, painted on surfaces of said column shell and said inner layer to strengthen a combination of said column shell and said inner layer without impacting a hardness and a density of said composite material polyurethane rigid foam decoration Roman column, comprising a component A and a component B, wherein said component A comprises polyether (hydroxyl value: 800-850): 35-45 parts, graft polyether (hydroxyl value: 400-450): 55-65 parts, cross-linking agent: 2-4 parts, organic tin catalyst: 0.3-0.7 parts, surfactant: 0-2 parts; and said component B comprises isocyanate: 95-105 parts.
 3. The composite material polyurethane rigid foam decoration Roman column, as recited in claim 1, further comprising a T-shaped strengthening bones structure to increase a support strength of said column basis part and said column cap part, comprising a first board, having two sides provided on an inner surface of said column basis part and said column cap part respectively, and a second board provided vertically to said first board, having a first side provided on a center line of said first board, a second side provided on an inner surface of said column basis part and said column cap part respectively; and a plurality of stiffeners provided on said inner surface of said column basis part and said column cap part respectively in a direction parallel to said column body part for increasing said support strength of said column basis part and said column cap part respectively, and said inner layer is cross-linked with said column basis part and said column cap part respectively through increasing a contact area to improve an integration and a combination between said inner layer and said column basis part and said column cap part respectively.
 4. The composite material polyurethane rigid foam decoration Roman column, as recited in claim 3, wherein said inner surface of said column basis part and said column cap part are respectively rough for increasing a friction to improve said firm combination between said inner layer and said column basis part and said column cap part respectively.
 5. The composite material polyurethane rigid foam decoration Roman column, as recited in claim 1, wherein a thickness of said column shell is 1-3 mm.
 6. The composite material polyurethane rigid foam decoration Roman column, as recited in claim 1, wherein a raw material of said column shell comprises a cross-linking agent.
 7. The composite material polyurethane rigid foam decoration Roman column, as recited in claim 6, wherein a content of said cross-linking agent is 5%40%.
 8. A method of manufacturing a composite material polyurethane rigid foam decoration Roman column, comprising following steps of: a) providing a column shell, and b) closely jointing an inner layer on said inner surface of said column shell, having a material of PU, so as to be combined with said column shell to form a composite material to strengthen a support strength and a resistance of said column shell.
 9. The method of manufacturing a composite material polyurethane rigid foam decoration Roman column, as recited in claim 8, wherein said step b) comprises painting a PU glue on the surface of said column shell and said inner layer to strengthen a combination of said column shell and said inner layer without impacting a hardness and a density of said composite material polyurethane rigid foam decoration Roman column, comprising a component A and a component B, wherein said component A comprises polyether (hydroxyl value: 800-850): 40 parts, graft polyether (hydroxyl value: 400-450): 60 parts, cross-linking agent: 3 parts, organic tin catalyst: 0.5 parts, surfactant: 1; and said component B comprises isocyanate: 95-105 parts.
 10. The method of manufacturing a composite material polyurethane rigid foam decoration Roman column, as recited in claim 8, wherein said step a) comprises providing a T-shaped strengthening bones structure to increase a support strength of said column basis part and said column cap part, comprising a first board, having two sides provided on an inner surface of said column basis part and said column cap part respectively, and a second board provided vertically to said first board, having a first side provided on a center line of said first board, a second side provided on an inner surface of said column basis part and said column cap part respectively; and a plurality of stiffeners provided on said inner surface of said column basis part and said column cap part respectively in a direction parallel to said column body part for increasing said support strength of said column basis part and said column cap part respectively, and said inner layer is cross-linked with said column basis part and said column cap part respectively through increasing a contact area to improve an integration and a combination between said inner layer and said column basis part and said column cap part respectively.
 11. The method of manufacturing a composite material polyurethane rigid foam decoration Roman column, as recited in claim 10, wherein said inner surface of said column basis part and said column cap part are respectively rough for increasing a friction to improve said firm combination between said inner layer and said column basis part and said column cap part respectively.
 12. The method of manufacturing a composite material polyurethane rigid foam decoration Roman column, as recited in claim 8, wherein a thickness of said column shell is 1-3 mm.
 13. The method of manufacturing a composite material polyurethane rigid foam decoration Roman column, as recited in claim 8, wherein a raw material of said column shell comprises a cross-linking agent.
 14. The method of manufacturing a composite material polyurethane rigid foam decoration Roman column, as recited in claim 13, wherein a content of said cross-linking agent is 5%-10%. 